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Inventor

Robert R. Fontaine

Inventor
Riverdale, MD, US

Overview

6→
Patents
1977–2005
Patent span
Physics
Primary field (CPC G)

Patents· 6 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification25%
B23DPlaning17%
A01BSoil working in agriculture or forestry8%
D04BKnitting8%
G01RMeasuring electric variables8%
G01SRadio direction-finding8%
G06FElectric digital data processing8%
G06GAnalogue computers8%
G09BEducational or demonstration appliances8%
PatentTitleYear
6,855,392'Patterned stitch bonded pile fabric'20056,585,458'File adapter for power saw tool'20036,142,715'File adapter for power saw tool'20005,503,445'Foot-operated appliance for a digging tool and method of use'19964,034,483'Sonar beamforming apparatus simulation'19774,019,039'Synchroscope simulator'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to SINGER CO (2)· patent assignee history
1977Based in Riverdale, MD, US· patent location history
1996Based in Canyon Country, CA, US· patent location history
2000–2003Patents assigned to FILEZALL INC (2)· patent assignee history
2000Based in Santa Clarita, CA, US· patent location history
2003Based in Pacoima, CA, US· patent location history
2005Patents assigned to TIETEX INT LTD (1)· patent assignee history
2005Based in Spartanburg, SC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FILEZALL INC22000–2003
SINGER CO21977
TIETEX INT LTD12005
Locations
LocationPatentsSpan
Riverdale, Maryland, US21977
Spartanburg, SC, US12005
Pacoima, California, US12003
Santa Clarita, California, US12000
Canyon Country, California, US11996