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Inventor

John I. Schaeffer

Inventor
Towaco, NJ, US

Overview

3→
Patents
1976–1984
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation50%
B29BPreparation or pretreatment of the material to be shaped25%
E04HBuildings or like structures for particular purposes25%
PatentTitleYear
4,488,966'Filter pleat support means'19844,062,158'Prefabricated swimming pool construction'19773,994,810'Onstream backflush filter'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1984Patents assigned to BRUNSWICK CORP (2)· patent assignee history
1976–1977Based in Towaco, NJ, US· patent location history
1977Patents assigned to SWIM N PLAY INC (1)· patent assignee history
1984Based in Orange City, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BRUNSWICK CORP21976–1984
SWIM N PLAY INC11977
Locations
LocationPatentsSpan
Towaco, New Jersey, US21976–1977
Orange City, Florida, US11984