Inventor

Robert J. Trulaske, Sr.

Inventor

St. Louis, MO, US

Overview

16→

Patents

1990–2002

Patent span

Human necessities

Primary field (CPC A)

Patents· 16 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

A47Fprimary

A47FSpecial furniture, fittings, or accessories for shops, storehouses, bars, restaurants or the like29%

F25DRefrigerators21%

LOC0612%

B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors9%

A47BTables6%

E05BLocks6%

F21WIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to uses or applications of lighting devices or systems6%

F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted6%

G07FCoin-freed or like apparatus3%

Y10TTechnical subjects covered by former us classification3%

PatentTitleYear

D0467450'Air curtain merchandiser with flat front'2002 6,453,694'Air curtain horizontal merchandiser'2002 D0461335'Air curtain merchandiser with curved front'2002 D0444966'Air curtain merchandiser with curved front'2001 D0421534'Merchandiser with curved front'2000 5,937,666'Refrigerator unit with lighted door'1999 5,803,560'Curved front construction for a merchandiser'1998 5,704,093'Handle for refrigeration unit door'1998 5,699,676'Refrigerator unit with lighted door'1997 5,553,354'Handle for refrigeration unit door'1996 5,433,082'Refrigeration system for a cooler'1995 5,182,924'Refrigerator unit for food products'1993 5,182,923'Refrigerator unit for food products'1993 5,076,443'Gravity feed shelf'1991 4,955,486'Gravity feed shelf'1990 4,890,746'Gravity feed shelf'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1998Patents assigned to TRUE MANUFACTURING CO INC (5)· patent assignee history

1990–1993Based in Frontenac, MO, US· patent location history

1991–2002Patents assigned to TRUE MFG CO INC (9)· patent assignee history

1993Patents assigned to TRUE FOOD SERVICE EQUIPMENT IN (2)· patent assignee history

1995Based in Huntleigh, MO, US· patent location history

1996–2002Based in St. Louis, MO, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TRUE MFG CO INC	9	1991–2002
TRUE MANUFACTURING CO INC	5	1990–1998
TRUE FOOD SERVICE EQUIPMENT IN	2	1993

Locations

Location	Patents	Span
St. Louis, MO, US	10	1996–2002
Frontenac, MO, US	5	1990–1993
Huntleigh, MO, US	1	1995