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Patent applications and USPTO patent grants for Amacker; Joseph A..The latest application filed is for "tree stand with adjustable jack plate for leveling".
Patent | Date |
---|---|
Tree stand with adjustable jack plate for leveling Grant 6,336,520 - Amacker January 8, 2 | 2002-01-08 |
Automatically adjustable tree climbing stand Grant 5,379,861 - Amacker January 10, 1 | 1995-01-10 |
Safety harness for tree climbers Grant 5,341,896 - Amacker August 30, 1 | 1994-08-30 |
Ladder stand Grant 5,332,063 - Amacker July 26, 1 | 1994-07-26 |
Automatically adjustable tree climbing stand having a lounging seat Grant 5,316,104 - Amacker May 31, 1 | 1994-05-31 |
Fixed position tree stand having adjustable footrest Grant 5,297,656 - Amacker March 29, 1 | 1994-03-29 |
Hook-type tree climbing stand Grant 5,285,868 - Amacker February 15, 1 | 1994-02-15 |
Hook-type tree climbing stand Grant 5,249,644 - Amacker October 5, 1 | 1993-10-05 |
Tree stand with telescoping seat Grant 5,103,935 - Amacker April 14, 1 | 1992-04-14 |
Universal tree stand Grant 5,090,504 - Amacker February 25, 1 | 1992-02-25 |
Tree climbing stand Grant 5,090,505 - Amacker February 25, 1 | 1992-02-25 |
Tree climbing stand Grant 4,969,538 - Amacker November 13, 1 | 1990-11-13 |
Pendulum bow sight Grant 4,796,364 - Amacker January 10, 1 | 1989-01-10 |
Archery bow sight and method of sighting an archery bow Grant 4,669,194 - Amacker June 2, 1 | 1987-06-02 |
Tree climbing stand Grant 4,331,216 - Amacker May 25, 1 | 1982-05-25 |
Apparatus for and method of climbing an upright columnar member Grant 4,316,526 - Amacker February 23, 1 | 1982-02-23 |
Rack for all terrain vehicle Grant 4,247,030 - Amacker January 27, 1 | 1981-01-27 |
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