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Hickman Pneumatic Seat Co Inc
Hickman Pn
Active Patents
0
Total Holdings
3
Patent Holdings
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Patent No.
Title
Status
Filing Date
Grant Date
Claims
Actions
US2357825A
Seat
Expired / Lapsed
1941-10-16
1944-09-12
0
Details
US2300422A
Floating chair type seat
Expired / Lapsed
1941-04-09
1942-11-03
0
Details
US2087255A
Vehicle spring suspension
Expired / Lapsed
1933-11-06
1937-07-20
0
Details