You have 0 Articles Left This Month. Register Today for Unlimited Access.
LARKSVILLE, Pa. - The Canadian Patents and Trademarks Office has issued utility patent number 2,189,986 to THOR Systems Inc. president Ronald C. Hungarter for his innovative roofing layout tapes.
You have 0 complimentary articles left.
Register for free today to continue reading!
Already have an account? Sign in here.